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Simplifying 2cos2x + -2sin2x + -1 = 0 Reorder the terms: -1 + 2cos2x + -2in2sx = 0 Solving -1 + 2cos2x + -2in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 2cos2x + 1 + -2in2sx = 0 + 1 Reorder the terms: -1 + 1 + 2cos2x + -2in2sx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 2cos2x + -2in2sx = 0 + 1 2cos2x + -2in2sx = 0 + 1 Combine like terms: 0 + 1 = 1 2cos2x + -2in2sx = 1 Add '2in2sx' to each side of the equation. 2cos2x + -2in2sx + 2in2sx = 1 + 2in2sx Combine like terms: -2in2sx + 2in2sx = 0 2cos2x + 0 = 1 + 2in2sx 2cos2x = 1 + 2in2sx Divide each side by '2os2x'. c = 0.5o-1s-2x-1 + in2o-1s-1 Simplifying c = 0.5o-1s-2x-1 + in2o-1s-1 Reorder the terms: c = in2o-1s-1 + 0.5o-1s-2x-1
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